diff --git a/zencoding.vim b/zencoding.vim
index 7427141..5e25707 100644
--- a/zencoding.vim
+++ b/zencoding.vim
@@ -845,6 +845,9 @@ let s:zen_settings = {
 \    },
 \    'xhtml': {
 \        'extends': 'html'
+\    },
+\    'mustache': {
+\        'extends': 'html'
 \    }
 \}